1052173540 has 24 divisors (see below), whose sum is σ = 2410434432. Its totient is φ = 382608480.

The previous prime is 1052173517. The next prime is 1052173553. The reversal of 1052173540 is 453712501.

It is a happy number.

It is a super-2 number, since 2×1052173540² = 2214138316552263200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1052173499 and 1052173508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2391084 + ... + 2391523.

It is an arithmetic number, because the mean of its divisors is an integer number (100434768).

Almost surely, 2^1052173540 is an apocalyptic number.

1052173540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1052173540 is an abundant number, since it is smaller than the sum of its proper divisors (1358260892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1052173540 is a wasteful number, since it uses less digits than its factorization.

1052173540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782627 (or 4782625 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 1052173540 is about 32437.2246038406. The cubic root of 1052173540 is about 1017.0971998393.

The spelling of 1052173540 in words is "one billion, fifty-two million, one hundred seventy-three thousand, five hundred forty".